468 lines
13 KiB
Rust
468 lines
13 KiB
Rust
#![allow(warnings)]
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use borsh::{
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BorshDeserialize,
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BorshSerialize,
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};
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use byteorder::{
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BigEndian,
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WriteBytesExt,
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};
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use hex_literal::hex;
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use secp256k1::{
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Message as Secp256k1Message,
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PublicKey,
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SecretKey,
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};
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use sha3::Digest;
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use solana_client::{
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client_error::ClientError,
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rpc_client::RpcClient,
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rpc_config::RpcSendTransactionConfig,
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};
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use solana_program::{
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borsh::try_from_slice_unchecked,
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hash,
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instruction::{
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AccountMeta,
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Instruction,
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},
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program_pack::Pack,
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pubkey::Pubkey,
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system_instruction::{
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self,
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create_account,
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},
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system_program,
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sysvar,
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};
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use solana_sdk::{
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commitment_config::CommitmentConfig,
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secp256k1_instruction::new_secp256k1_instruction,
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signature::{
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read_keypair_file,
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Keypair,
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Signature,
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Signer,
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},
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transaction::Transaction,
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};
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use std::{
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convert::TryInto,
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env,
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io::{
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Cursor,
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Write,
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},
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time::{
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Duration,
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SystemTime,
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},
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};
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use bridge::{
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accounts::{
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FeeCollector,
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GuardianSet,
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GuardianSetDerivationData,
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MessageDerivationData,
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Sequence,
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SequenceDerivationData,
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SignatureSet,
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SignatureSetDerivationData,
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},
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instruction,
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instructions,
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types::{
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BridgeConfig,
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ConsistencyLevel,
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PostedMessage,
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SequenceTracker,
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},
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Initialize,
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InitializeData,
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PostMessageData,
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PostVAAData,
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UninitializedMessage,
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VerifySignaturesData,
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};
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use solitaire::{
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processors::seeded::Seeded,
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AccountState,
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};
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pub use helpers::*;
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/// Simple API wrapper for quickly preparing and sending transactions.
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pub fn execute(
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client: &RpcClient,
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payer: &Keypair,
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signers: &[&Keypair],
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instructions: &[Instruction],
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commitment_level: CommitmentConfig,
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) -> Result<Signature, ClientError> {
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let mut transaction = Transaction::new_with_payer(instructions, Some(&payer.pubkey()));
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let recent_blockhash = client.get_recent_blockhash().unwrap().0;
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transaction.sign(&signers.to_vec(), recent_blockhash);
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client.send_and_confirm_transaction_with_spinner_and_config(
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&transaction,
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commitment_level,
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RpcSendTransactionConfig {
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skip_preflight: true,
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preflight_commitment: None,
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encoding: None,
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},
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)
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}
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mod helpers {
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use super::*;
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/// Initialize the test environment, spins up a solana-test-validator in the background so that
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/// each test has a fresh environment to work within.
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pub fn setup() -> (Keypair, RpcClient, Pubkey) {
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let payer = env::var("BRIDGE_PAYER").unwrap_or("./payer.json".to_string());
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let rpc_address = env::var("BRIDGE_RPC").unwrap_or("http://127.0.0.1:8899".to_string());
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let payer = read_keypair_file(payer).unwrap();
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let rpc = RpcClient::new(rpc_address);
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let program = env::var("BRIDGE_PROGRAM")
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.unwrap_or("Bridge1p5gheXUvJ6jGWGeCsgPKgnE3YgdGKRVCMY9o".to_string())
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.parse::<Pubkey>()
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.unwrap();
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(payer, rpc, program)
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}
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/// Wait for a single transaction to fully finalize, guaranteeing chain state has been
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/// confirmed. Useful for consistently fetching data during state checks.
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pub fn sync(client: &RpcClient, payer: &Keypair) {
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execute(
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client,
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payer,
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&[payer],
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&[system_instruction::transfer(
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&payer.pubkey(),
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&payer.pubkey(),
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1,
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)],
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CommitmentConfig::finalized(),
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)
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.unwrap();
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}
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/// Fetch account data, the loop is there to re-attempt until data is available.
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pub fn get_account_data<T: BorshDeserialize>(client: &RpcClient, account: &Pubkey) -> T {
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let account = client.get_account(account).unwrap();
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T::try_from_slice(&account.data).unwrap()
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}
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/// Generate `count` secp256k1 private keys, along with their ethereum-styled public key
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/// encoding: 0x0123456789ABCDEF01234
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pub fn generate_keys(count: u8) -> (Vec<[u8; 20]>, Vec<SecretKey>) {
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use rand::Rng;
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use sha3::Digest;
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let mut rng = rand::thread_rng();
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// Generate Guardian Keys
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let secret_keys: Vec<SecretKey> = std::iter::repeat_with(|| SecretKey::random(&mut rng))
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.take(count as usize)
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.collect();
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(
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secret_keys
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.iter()
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.map(|key| {
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let public_key = PublicKey::from_secret_key(&key);
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let mut h = sha3::Keccak256::default();
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h.write(&public_key.serialize()[1..]).unwrap();
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let key: [u8; 32] = h.finalize().into();
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let mut address = [0u8; 20];
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address.copy_from_slice(&key[12..]);
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address
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})
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.collect(),
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secret_keys,
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)
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}
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/// Utility function for generating VAA's from message data.
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pub fn generate_vaa(
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emitter: &Keypair,
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data: Vec<u8>,
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nonce: u32,
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guardian_set_index: u32,
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emitter_chain: u16,
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) -> (PostVAAData, Vec<u8>, [u8; 32]) {
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let mut vaa = PostVAAData {
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version: 0,
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guardian_set_index,
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// Body part
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emitter_chain,
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emitter_address: emitter.pubkey().to_bytes(),
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sequence: 0,
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payload: data,
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timestamp: SystemTime::now()
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.duration_since(SystemTime::UNIX_EPOCH)
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.unwrap()
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.as_secs() as u32,
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nonce,
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consistency_level: ConsistencyLevel::Confirmed as u8,
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};
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// Hash data, the thing we wish to actually sign.
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let body = {
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let mut v = Cursor::new(Vec::new());
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v.write_u32::<BigEndian>(vaa.timestamp).unwrap();
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v.write_u32::<BigEndian>(vaa.nonce).unwrap();
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v.write_u16::<BigEndian>(vaa.emitter_chain).unwrap();
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v.write(&vaa.emitter_address).unwrap();
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v.write_u64::<BigEndian>(vaa.sequence).unwrap();
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v.write_u8(vaa.consistency_level).unwrap();
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v.write(&vaa.payload).unwrap();
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v.into_inner()
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};
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// Hash this body, which is expected to be the same as the hash currently stored in the
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// signature account, binding that set of signatures to this VAA.
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let body_hash: [u8; 32] = {
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let mut h = sha3::Keccak256::default();
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h.write(body.as_slice()).unwrap();
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h.finalize().into()
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};
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(vaa, body, body_hash)
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}
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pub fn transfer(
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client: &RpcClient,
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from: &Keypair,
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to: &Pubkey,
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lamports: u64,
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) -> Result<Signature, ClientError> {
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execute(
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client,
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from,
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&[from],
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&[system_instruction::transfer(&from.pubkey(), to, lamports)],
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CommitmentConfig::processed(),
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)
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}
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pub fn initialize(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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initial_guardians: &[[u8; 20]],
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fee: u64,
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persistent_fee: u64,
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) -> Result<Signature, ClientError> {
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execute(
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client,
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payer,
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&[payer],
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&[instructions::initialize(
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*program,
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payer.pubkey(),
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fee,
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persistent_fee,
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2_000_000_000,
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initial_guardians,
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)
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.unwrap()],
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CommitmentConfig::processed(),
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)
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}
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pub fn post_message(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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emitter: &Keypair,
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nonce: u32,
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data: Vec<u8>,
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fee: u64,
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persist: bool,
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) -> Result<Pubkey, ClientError> {
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// Transfer money into the fee collector as it needs a balance/must exist.
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let fee_collector = FeeCollector::<'_>::key(None, program);
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// Capture the resulting message, later functions will need this.
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let (message_key, instruction) = instructions::post_message(
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*program,
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payer.pubkey(),
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emitter.pubkey(),
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nonce,
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data,
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persist,
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ConsistencyLevel::Confirmed,
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)
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.unwrap();
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execute(
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client,
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payer,
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&[payer, emitter],
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&[
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system_instruction::transfer(&payer.pubkey(), &fee_collector, fee),
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instruction,
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],
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CommitmentConfig::processed(),
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)?;
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Ok(message_key)
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}
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pub fn verify_signatures(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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body: Vec<u8>,
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body_hash: [u8; 32],
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secret_keys: &[SecretKey],
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guardian_set_version: u32,
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) -> Result<(), ClientError> {
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// Push Secp256k1 instructions for each signature we want to verify.
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for (i, key) in secret_keys.iter().enumerate() {
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// Set this signers signature position as present at 0.
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let mut signers = [-1; 19];
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signers[i] = 0;
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execute(
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client,
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payer,
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&[payer],
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&vec![
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new_secp256k1_instruction(&key, &body),
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instructions::verify_signatures(
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*program,
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payer.pubkey(),
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guardian_set_version,
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VerifySignaturesData {
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hash: body_hash,
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signers,
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},
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)
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.unwrap(),
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],
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CommitmentConfig::processed(),
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)?;
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}
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Ok(())
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}
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pub fn post_vaa(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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vaa: PostVAAData,
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) -> Result<Signature, ClientError> {
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execute(
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client,
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payer,
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&[payer],
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&[instructions::post_vaa(*program, payer.pubkey(), vaa)],
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CommitmentConfig::processed(),
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)
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}
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pub fn upgrade_guardian_set(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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payload_message: Pubkey,
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emitter: Pubkey,
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old_index: u32,
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new_index: u32,
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sequence: u64,
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) -> Result<Signature, ClientError> {
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execute(
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client,
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payer,
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&[payer],
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&[instructions::upgrade_guardian_set(
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*program,
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payer.pubkey(),
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payload_message,
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emitter,
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old_index,
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new_index,
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sequence,
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)],
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CommitmentConfig::processed(),
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)
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}
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pub fn upgrade_contract(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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payload_message: Pubkey,
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emitter: Pubkey,
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spill: Pubkey,
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sequence: u64,
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) -> Result<Signature, ClientError> {
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execute(
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client,
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payer,
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&[payer],
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&[instructions::upgrade_contract(
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*program,
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payer.pubkey(),
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payload_message,
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spill,
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)],
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CommitmentConfig::processed(),
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)
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}
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pub fn set_fees(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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message: Pubkey,
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emitter: Pubkey,
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sequence: u64,
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) -> Result<Signature, ClientError> {
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execute(
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client,
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payer,
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&[payer],
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&[instructions::set_fees(
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*program,
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payer.pubkey(),
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message,
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emitter,
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sequence,
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)],
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CommitmentConfig::processed(),
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)
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}
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pub fn transfer_fees(
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client: &RpcClient,
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program: &Pubkey,
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payer: &Keypair,
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message: Pubkey,
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emitter: Pubkey,
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recipient: Pubkey,
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sequence: u64,
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) -> Result<Signature, ClientError> {
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execute(
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client,
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payer,
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&[payer],
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&[instructions::transfer_fees(
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*program,
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payer.pubkey(),
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message,
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emitter,
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sequence,
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recipient,
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)],
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CommitmentConfig::processed(),
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)
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}
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}
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